Common Helping Verbs

is
am
are
was
were
be
been
being
do
does
did
has
have
had
can
may
will
shall
could
would
should
might
must


The BE Verbs: is, am, are, was, were, be, been, being - can be helping OR linking. See if there is another verb after it. If there is, the BE verb is helping. If there is not (if it's the last verb), the BE verb is linking.

Has Have Had can also be action verbs.